package file;

import java.io.File;
import java.io.FileFilter;

public class ListFilesDemo2 {
    public static void main(String[] args) {
        File dir = new File(".");
        if (dir.isDirectory()) {
            FileFilter filter = new FileFilter() {
                @Override
                public boolean accept(File file) {
//                    String name = file.getName();
//                    boolean b=name.endsWith(".txt");
//                    return b;
                    return file.getName().endsWith(".txt");
                }
            };
            File[] subs = dir.listFiles(filter);
            for (File sub : subs) {
                System.out.println(sub.getName());
            }
        }
    }
}
